JPH0412125U - - Google Patents
Info
- Publication number
- JPH0412125U JPH0412125U JP5227990U JP5227990U JPH0412125U JP H0412125 U JPH0412125 U JP H0412125U JP 5227990 U JP5227990 U JP 5227990U JP 5227990 U JP5227990 U JP 5227990U JP H0412125 U JPH0412125 U JP H0412125U
- Authority
- JP
- Japan
- Prior art keywords
- tape
- magnetic tape
- cleaning
- magnetic
- playback
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000004140 cleaning Methods 0.000 claims description 5
- 238000001514 detection method Methods 0.000 claims description 5
- 238000010586 diagram Methods 0.000 description 2
Description
第１図は本考案の一実施例である磁気テープ再
生装置１の基本的構成を示す図、第２図は磁気テ
ープ２の構成を示す平面図、第３図は検波回路２
３の動作を説明するためのタイミングチヤート、
第４図はテープ位置判断回路２０の動作を説明す
るためのタイミングチヤート、第５図は磁気テー
プ再生装置１の動作を説明するためのフローチヤ
ートである。
１……磁気テープ再生装置、２……磁気テープ
、１２……ピンチローラ、１３……キヤプスタン
、１４，１５……磁気ヘツド、１７……回転ドラ
ム、１８……テープエンド検出部、１９……反射
部、２０……テープ位置判断回路、２１……制御
回路、２３……検波回路、３２……記録部分、３
３……境界部分、３４……クリーニング部分。
FIG. 1 is a diagram showing the basic configuration of a magnetic tape reproducing apparatus 1 which is an embodiment of the present invention, FIG. 2 is a plan view showing the configuration of a magnetic tape 2, and FIG. 3 is a diagram showing the detection circuit 2.
Timing chart to explain the operation of 3.
FIG. 4 is a timing chart for explaining the operation of the tape position determination circuit 20, and FIG. 5 is a flow chart for explaining the operation of the magnetic tape reproducing apparatus 1. DESCRIPTION OF SYMBOLS 1... Magnetic tape reproducing device, 2... Magnetic tape, 12... Pinch roller, 13... Capstan, 14, 15... Magnetic head, 17... Rotating drum, 18... Tape end detection unit, 19... Reflection unit, 20... Tape position judgment circuit, 21... Control circuit, 23... Detection circuit, 32... Recording portion, 3
3...boundary part, 34...cleaning part.
Claims (1)
ヘツドの表面をクリーニングするクリーニングテ
ープが設けられた磁気テープと、 磁気テープを長手方向に走行する走行手段と、 前記クリーニングテープを検知する検知手段と
、 磁気テープの表面に摺接して再生動作を行う磁
気ヘツドと、 磁気ヘツドの出力に基づいて、再生信号レベル
が予め定める基準レベル以下になつたことを検出
する検出手段とを含み、 磁気テープの再生中に、再生信号レベルが予め
定める基準レベル以下になると、磁気テープを前
記一方端部側に走行させ、クリーニングテープが
検知されると再生動作を行うようにしたことを特
徴とする磁気テープ再生装置。[Claims for Utility Model Registration] A magnetic tape provided with a cleaning tape for cleaning the surface of a magnetic head at at least one of both ends in the longitudinal direction; a running means for running the magnetic tape in the longitudinal direction; and the cleaning device. A detection means for detecting the tape; a magnetic head for performing a reproduction operation by slidingly contacting the surface of the magnetic tape; and a detection means for detecting that the reproduction signal level has fallen below a predetermined reference level based on the output of the magnetic head. and, during playback of the magnetic tape, when the playback signal level falls below a predetermined reference level, the magnetic tape is run toward the one end, and when a cleaning tape is detected, a playback operation is performed. A magnetic tape playback device featuring:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5227990U JPH0412125U (en) | 1990-05-18 | 1990-05-18 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5227990U JPH0412125U (en) | 1990-05-18 | 1990-05-18 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0412125U true JPH0412125U (en) | 1992-01-31 |
Family
ID=31572450
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5227990U Pending JPH0412125U (en) | 1990-05-18 | 1990-05-18 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0412125U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4916310U (en) * | 1972-05-13 | 1974-02-12 | ||
| JPS5570819U (en) * | 1978-11-09 | 1980-05-15 |
-
1990
- 1990-05-18 JP JP5227990U patent/JPH0412125U/ja active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4916310U (en) * | 1972-05-13 | 1974-02-12 | ||
| JPS5570819U (en) * | 1978-11-09 | 1980-05-15 |
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